<template>
    <div class="container">
        <div class="left"><el-menu
        active-text-color="#ffd04b"
        background-color="#545c64"
        class="el-menu-vertical-demo"
        default-active="2"
        text-color="#fff"
      >
        <el-sub-menu index="1">
          <template #title>
            <el-icon><location /></el-icon>
            <span>Navigator One</span>
          </template>
          <el-menu-item-group title="Group One">
            <el-menu-item index="1-1">item one</el-menu-item>
            <el-menu-item index="1-2">item one</el-menu-item>
          </el-menu-item-group>
          <el-menu-item-group title="Group Two">
            <el-menu-item index="1-3">item three</el-menu-item>
          </el-menu-item-group>
          <el-sub-menu index="1-4">
            <template #title>item four</template>
            <el-menu-item index="1-4-1">item one</el-menu-item>
          </el-sub-menu>
        </el-sub-menu>
        <el-menu-item index="2">
          <el-icon><icon-menu /></el-icon>
          <span>Navigator Two</span>
        </el-menu-item>
        <el-menu-item index="3" disabled>
          <el-icon><document /></el-icon>
          <span>Navigator Three</span>
        </el-menu-item>
        <el-menu-item index="4">
          <el-icon><setting /></el-icon>
          <span>Navigator Four</span>
        </el-menu-item>
      </el-menu></div>
        <div class="right">
            <div class="top">
                <el-menu
                    default-active="1"
                    class="el-menu-demo"
                     mode="horizontal"
                     background-color="#545c64"
                    text-color="#fff"
                    active-text-color="#ffd04b"
  >
                 <el-menu-item index="1">Processing Center</el-menu-item>
                <el-sub-menu index="2">
                <template #title>Workspace</template>
                 <el-menu-item index="2-1">item one</el-menu-item>
                <el-menu-item index="2-2">item two</el-menu-item>
                <el-menu-item index="2-3">item three</el-menu-item>
                <el-sub-menu index="2-4">
                <template #title>item four</template>
                <el-menu-item index="2-4-1">item one</el-menu-item>
                <el-menu-item index="2-4-2">item two</el-menu-item>
                <el-menu-item index="2-4-3">item three</el-menu-item>
             </el-sub-menu>
            </el-sub-menu>
         <el-menu-item index="3" disabled>Info</el-menu-item>
    <el-menu-item index="4">Orders</el-menu-item>
  </el-menu>
            </div>
            <div class="bottom">3</div>
        </div>
    </div>
</template>
<script>

import { reactive,toRefs } from 'vue'
export default {
name:'Layout',
setup() {
    //定义菜单数据
    // let menuData = reactive({
    //         activeIndex1:'1'
    // })
    // return{
    //     ...toRefs(menuData)
    // }
},
};
</script>
<style lang="scss" scoped>

.container{
    width:100vw;
    height:100vh;
    display: flex;
    .left{
        width: 200px;
    }
     .right{
       flex: 1;
        display: flex;
        flex-direction: column;
        .top{
            height: 60px;
        }
        .bottom{
            flex: 1;
        }
    }

}
</style>